Summary Volume III of the Maelwael Van Lymborch Studies focuses on the results of state-of-the-art research in multidisciplinary articles. Elisabeth Ravaud, head of a team of researchers at the Centre de Recherche et de Restauration des Muse?es de France (C2RMF), shares her insights and analyses of her research by non-invasive scientific techniques to investigate the Van Lymborch making process, to evaluate the degree of completeness of the illuminations at the time of their death and to characterize the state of conservation. Her article presents the main results of this campaign, describing the materials, pigments, metallic decorations and the painting techniques in the Tr s Riches Heures, in light of the archival sources and contemporary works. TABLE OF CONTENTS Preface A New Life for the Tr s Riches Heures Andr Stufkens Theme I: New Aspects of the Tr s Riches Heures The Art of the Van Lymbrochs through a Scientific Study of the Material and Painting Techniques of the Tr s Riches Heures lisabeth Ravaud, Anne Michelin, Kilian Laclavetine, ric Laval and Laurence Clivet The Works and Days of John, Duke of Berry in his Tr s Riches Heures In s Villela-Petit Emperor Augustus & the Tiburtine Sibyl. The Van Lymbroch brothers, Jan van Eyck, Adriaen van Wesel and Jheronimus Bosch Jos Koldeweij In Universa Terra. New Horizons in the Art of the Van Lymbrochs. From Lymbroch to Africa, Byzantium, and Cathay Andr Stufkens Theme II: The Library of John, Duke of Berry, New Aspects of its Inventory ?Monseigneur de Berry l?a donn Monseigneur de Bourgogne?. The Manuscripts of Jean duke de Berry Kept in the Royal Library of Belgium Michiel Verweij The Virgil Master Hours Yet Another Undiscovered Book of Hours for John of Berry? Rob D ckers The B Master Hours Revisited: New Evidence Based on the Reconstructed Manuscript and Recently Discovered Leaves Rob D ckers Saint Christoffer Carrying the Christ Child. New Perspectives on a Miniature Attributed to the Van Lymbroch Brothers David de Bruijn Kops Biocodicology of Medieval Parchment Through Mutli-omics Technologies Elio Schijlen, Rutger Vos, Hanneke van Asperen Notes on Contributors Index Credits of Photography Colophon